Denon AVR-2309CI Service Manual

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Contents

Denon AVR-2309CI Service Manual Manual pdf 23 page image

23AVR-2309CI/AVR-889ADJUSTMENTAudio SectionIdling Current (8U-110030-1)Required measurement equipment: DC VoltmeterPreparation(1) Avoid direct blow from an air conditioner or an electricfan, and adjust the unit at normal room tempereture15°C ~ 30°C (59°F ~ 86°F).(2) PresettingPOWER (Power sourse switch) OFFSPEAKER (Speaker terminal) Noload(Do not connect speaker, dummy resistor, etc.)Adjustment(1) Remove top cover and set VR401, VR402, VR403,VR404, VR405, VR406, VR407, on 8U-110030-1(Power Amp Unit) at fully counterclockwise ( ).(2) Connect DC Voltmeter to test points (FRONT-Lch:CX063 pin, FRONT-Rch: CX063 pin,CENTER ch: CX063 pin, SURROUND-Lch:TP102 pin, SURROUND-Rch: CX082 pin,SURROUND BACK-Lch: CX082 pin, SUR-ROUND BACK-Rch: CX082 pin).(3) Connect power cord to AC Line, and turn power switch"ON".(4) Presetting.MASTER VOLUME : "---" counterclockwise (min.)MODE : 7CH STEREOFUNCTION : CD(5) Allow 2 minutes, and turn VR401 clockwise ( ) toadjust the TEST POINT voltage to 2 mV 0.3 mV DC.(6) After 10 minutes from preset, turn VR401 to set thevoltage to 2 mV 0.3 mV DC.(7) Adjust the Variable Resistors of other channels in thesame way.(8) After 5 minutes from (6), turn VR401 to set the voltageto 2 mV 0.3 mV DC.(9) Adjust the Variable Resistors of other channels in thesame way.